To celebrate turning 38, the Keeping Up with the Kardashians star headed to Punta Mita, Mexico, for some sun, sand and barely-there bikini selfies with her squad last week. And to thank her fifteen closest girlfriends (including little sister Kim Kardashian West) for joining the party, she greeted them with some very impressive swag.

“To welcome everyone, I made little gift bags and put them in their rooms as a surprise for their arrival,” she writes in a new post on her app.

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Suffice it to say that the group wasn’t mad about their travels — which also included a stay at the KarJenners’ tropical home away from home, Casa Aramara — but Kourtney still wanted to offer her pretty/pricey presents to show her appreciation for their journey.

“Whether you’re planning a bachelorette party or another special event, goodie bags are always a thoughtful way to make your guests that traveled a long way feel appreciated,” she says.